Voynichese is a numeric cipher?

[magnesium]

Not sure if any of this is any use to you, but never know.. 

I played with something a while back, looking now I think I have deleted the files apart from a tiny notepad file. 
But essentially the idea was that if you use 1,2 and 3 you have 26 variants of triplets.

Great minds think alike! A group of Czech researchers proposed something similar in 2022: You are not allowed to view links. Register or Login to view.

See the discussion section of the paper for more. It would be fun to put this kind of cipher through its paces, computationally speaking.